Car Finance With Overtime and Bonus Income

When Your Payslip Isn't the Whole Story

Plenty of people in the UK earn more than their basic salary. You might pick up extra shifts, work weekends, or receive a bonus once or twice a year. That extra money is real, it lands in your bank account, and it helps you afford things - including a car.

The question is whether a lender will count it. The short answer is that many will, but usually not all of it, and almost always only when you can show it's steady. Here's how that works in plain English.

Who This Guide Is Written For

This is for anyone in the UK whose take-home pay moves around month to month. Shift workers, NHS staff, drivers, hospitality teams, tradespeople, sales staff on commission and anyone with an annual bonus. If your basic salary alone feels too tight for the car you want, read on.

What Counts as Variable Income

Variable income is anything you earn on top of your contracted basic pay. In motor finance applications, lenders typically look at four main types: overtime, bonuses, commission and shift allowances or enhancements.

Overtime is extra hours worked beyond your contract, sometimes paid at an enhanced rate. It can be guaranteed (written into your contract) or non-guaranteed (offered when needed). Bonuses may be monthly, quarterly or annual, and may be performance-linked or discretionary. Commission is common in sales roles and can make up a large share of total earnings. Shift allowances cover unsocial hours, nights or weekends and are common in healthcare, logistics and manufacturing.

Lenders group these under "non-guaranteed income" because there's no contractual certainty they'll continue. That doesn't mean they're ignored. It means they're assessed more carefully than basic salary, and often discounted to a percentage rather than taken at full value.

Basic pay is treated as certain. Everything else has to earn its place in the calculation.

How Lenders Actually Assess It

Under FCA rules, lenders must carry out a reasonable assessment of whether you can afford the repayments sustainably - not just at the start, but throughout the agreement. That's why they look for evidence of consistency rather than a single good month.

Most commonly, a lender will average your variable income over a set period. Three months is typical for overtime and commission, though some lenders look back six or twelve months, particularly for annual bonuses. They may then apply a haircut, counting only a proportion of the average. Fifty per cent is a common figure, though it varies widely between lenders. Some count guaranteed overtime in full and non-guaranteed overtime at half. Others take a view based on how long you've been in the role.

Evidence usually means three to six recent payslips and matching bank statements. Self-employed applicants with variable earnings are assessed differently again, generally using two to three years of accounts or SA302 tax calculations. Open Banking is increasingly used to verify income directly, which can speed things up considerably.

Why It Matters to Your Application

The way your variable income is treated has a direct effect on two things: whether you're approved, and how much you can borrow.

If a lender counts only your basic pay, your affordability figure might not stretch to the vehicle you have in mind. If they include a sensible portion of your overtime or bonus, that same application can look considerably stronger. On a household budget where overtime regularly adds a few hundred pounds a month, the difference in borrowing capacity can be significant.

There's also a protective side to this. Affordability rules exist to stop people committing to repayments that only work in a good month. If your overtime dried up tomorrow, could you still meet the payment? A responsible lender is asking that question on your behalf, and a well-structured agreement should still be manageable if your hours reduce.

Understanding the policy also helps you choose where to apply. Lender criteria differ enormously, and applying scattergun can leave unnecessary marks on your credit file.

Weighing It Up

Advantages	Drawbacks
Can meaningfully increase the amount you're able to borrow	Rarely counted at full value, so expect a discount
Many mainstream and specialist lenders accept it	Requires more paperwork than a straightforward salary
Guaranteed overtime is often treated almost like basic pay	Newly started roles may have too little history to use
Evidence is easy to gather - payslips and bank statements	Irregular or one-off payments may be disregarded entirely
Open Banking can verify income quickly and securely	Policies vary widely, so one refusal doesn't mean all will refuse
Helps you access a wider range of vehicles and terms	Risk of overcommitting if hours later reduce

Points Worth Pausing On

Be honest and precise on your application. Stating your total earnings as though they're all guaranteed salary is a misrepresentation, and it will usually be caught when payslips are checked. It's far better to declare basic and variable income separately and let the lender apply its own policy.

Watch the timing. If you apply just after a quiet period, your three-month average will look lower than usual. If you have a bonus due, waiting until it's on a payslip may help.

Avoid multiple full applications in quick succession. Each one can leave a hard search on your credit file. A soft-search eligibility check or a broker who understands lender criteria is a gentler route.

Finally, be realistic with yourself. Just because a lender will approve a figure doesn't mean you have to borrow it. Ask whether the monthly payment still works on basic pay alone. If it doesn't, consider a smaller loan, a longer term or a larger deposit.

Other Routes to Consider

1. A larger deposit. Reducing the amount borrowed lowers the monthly payment and can offset a cautious income assessment. Part-exchanging an existing car can help here.
2. A joint application or guarantor arrangement. Where available, adding a second income can strengthen affordability - but both parties are fully liable, so it needs careful thought.
3. A longer agreement term. Spreading repayments over more months reduces the monthly figure, though you'll usually pay more interest overall.
4. Personal Contract Purchase (PCP). Because part of the value is deferred to a final balloon payment, monthly costs are typically lower than Hire Purchase on the same car.
5. A less expensive vehicle. Adjusting your target price bracket is often the simplest and cheapest way to make the numbers work.
6. An unsecured personal loan. Sometimes suitable if you want to own the car outright from day one, though rates depend heavily on your credit profile.
7. Waiting and building history. A few more months of consistent overtime, or passing a probation period, can materially change the outcome.

Common Questions Answered

Will lenders count my overtime at all? Many will, provided you can evidence it. Guaranteed contractual overtime is generally treated most favourably. Non-guaranteed overtime is often accepted but discounted.

How many payslips will I need? Three is a common minimum, though six months of payslips and bank statements gives lenders more confidence, especially for irregular earnings.

Does an annual bonus help? It can. Lenders often divide it across twelve months and count a proportion. A track record of receiving it in previous years strengthens the case.

What if I've just started the job? If you're still in probation or have only one or two payslips, most lenders will use basic pay only. Waiting a few months can help.

Is commission treated the same as overtime? Broadly yes, though where commission forms a large share of total pay, lenders may look back over a longer period.

Can zero-hours workers get car finance? Yes. It typically depends on having a reasonable length of consistent earnings history with the same employer.

Will checking my options damage my credit score? A soft-search eligibility check does not affect your credit score. A full application creates a hard search.

Where Kandoo Fits In

Kandoo is a UK motor finance broker, which means we're not tied to a single lender. We work with a panel of lenders whose approaches to overtime, bonus and commission income differ, and we can help match your circumstances to those most likely to consider them fairly.

You can check your eligibility with a soft search that won't affect your credit score, see indicative rates, and get a clear picture of your options before committing to anything. No pressure, no obligation.

Important Information

This article is general information only and does not constitute financial advice. Eligibility, rates and lender criteria vary and are subject to individual assessment. Car finance is subject to status, affordability checks and terms and conditions. You may need a guarantor or deposit. Always consider whether repayments remain affordable if your income changes. Kandoo is a credit broker, not a lender, and is authorised and regulated by the Financial Conduct Authority.